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Cheap flights from London to Cancún from C$ 647

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Cancún departing on 13/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 p.m. - 8:18 a.m.
LGW
-
CUN
24h 18m
1 stop
Multiple Airlines Logo
9:13 a.m. - 10:00 a.m.
CUN
-
LGW
18h 47m
1 stop
C$ 886Multiple Airlines
Mon, 27 Apr - Wed, 6 May
British Airways Logo
10:50 a.m. - 4:50 p.m.
LGW
-
CUN
11h 00mdirect
British Airways Logo
6:40 p.m. - 9:00 a.m.
CUN
-
LGW
9h 20mdirect
C$ 913British Airways
Sun, 8 Mar - Tue, 17 Mar
Multiple Airlines Logo
2:00 p.m. - 8:18 a.m.
LGW
-
CUN
24h 18m
1 stop
Multiple Airlines Logo
9:13 a.m. - 10:00 a.m.
CUN
-
LGW
18h 47m
1 stop
C$ 917Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
2:00 p.m. - 9:18 a.m.
LGW
-
CUN
24h 18m
1 stop
Multiple Airlines Logo
9:13 a.m. - 10:00 a.m.
CUN
-
LGW
19h 47m
1 stop
C$ 922Multiple Airlines
Fri, 20 Feb - Mon, 23 Mar
Virgin Atlantic Logo
9:00 a.m. - 5:45 p.m.
LHR
-
CUN
13h 45m
1 stop
Virgin Atlantic Logo
10:30 p.m. - 12:50 p.m.
CUN
-
LHR
9h 20mdirect
C$ 927Virgin Atlantic
Wed, 28 Jan - Wed, 4 Feb
Virgin Atlantic Logo
2:45 p.m. - 8:40 p.m.
LHR
-
CUN
10h 55mdirect
Virgin Atlantic Logo
10:30 p.m. - 12:50 p.m.
CUN
-
LHR
9h 20mdirect
C$ 942Virgin Atlantic
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
2:00 p.m. - 9:18 a.m.
LGW
-
CUN
24h 18m
1 stop
Multiple Airlines Logo
10:13 a.m. - 10:00 a.m.
CUN
-
LGW
18h 47m
1 stop
C$ 945Multiple Airlines
Fri, 27 Feb - Fri, 6 Mar
British Airways Logo
10:50 a.m. - 4:50 p.m.
LGW
-
CUN
11h 00mdirect
British Airways Logo
6:40 p.m. - 9:00 a.m.
CUN
-
LGW
9h 20mdirect
C$ 969British Airways
Tue, 10 Mar - Mon, 23 Mar
KLM Logo
9:55 a.m. - 11:27 p.m.
LHR
-
CUN
19h 32m
2 stops
KLM Logo
1:25 p.m. - 10:40 a.m.
CUN
-
LHR
15h 15m
1 stop
C$ 1,004KLM
Tue, 28 Apr - Wed, 6 May
United Airlines Logo
11:35 a.m. - 12:54 p.m.
LHR
-
CUN
30h 19m
2 stops
United Airlines Logo
1:37 p.m. - 9:40 a.m.
CUN
-
LHR
15h 03m
1 stop
C$ 1,010United Airlines
Thu, 26 Feb - Thu, 5 Mar

Finnair flights from London to Cancún

Our best Finnair deals on London to Cancún flight tickets
Finnair
5 Mar
LHR2:10 p.m.London Heathrow
35h 35m
2 stops
CUN8:45 p.m.Cancun
26 Mar
CUN12:11 p.m.Cancun
19h 04m
1 stop
LHR12:15 p.m.London Heathrow
C$ 1,091
Finnair
22 Feb
LHR1:35 p.m.London Heathrow
36h 10m
2 stops
CUN8:45 p.m.Cancun
17 Mar
CUN12:11 p.m.Cancun
23h 49m
2 stops
LHR5:00 p.m.London Heathrow
C$ 1,092
Finnair
22 Feb
LHR2:10 p.m.London Heathrow
35h 35m
2 stops
CUN8:45 p.m.Cancun
3 Mar
CUN12:01 p.m.Cancun
13h 49m
1 stop
LHR6:50 a.m.London Heathrow
C$ 1,095

British Airways flights from London to Cancún

Our best British Airways deals on London to Cancún flight tickets
British Airways
10 Mar
LGW10:50 a.m.London Gatwick
11h 00m
CUN4:50 p.m.Cancun
17 Mar
CUN6:40 p.m.Cancun
9h 20m
LGW9:00 a.m.London Gatwick
C$ 917
British Airways
28 Apr
LGW2:00 p.m.London Gatwick
10h 30m
CUN6:30 p.m.Cancun
12 May
CUN8:15 p.m.Cancun
9h 35m
LGW11:50 a.m.London Gatwick
C$ 985
British Airways
28 Apr
LGW2:00 p.m.London Gatwick
10h 30m
CUN6:30 p.m.Cancun
6 May
CUN7:40 p.m.Cancun
9h 35m
LGW11:15 a.m.London Gatwick
C$ 991

momondo Fare Finder

 
Customize your flight search to find flights from London to Cancún that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 14 January 2026.
Use the filters below to find and compare flights from London to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCancún

LGW - CUN

LGWCUN

London Gatwick

Mon 27/4

2:00 p.m.-8:18 a.m.

1 stop24h 18m

Cancun

Wed 6/5

9:13 a.m.-10:00 a.m.

1 stop18h 47m

C$ 886

LondonCancún

LGW - CUN

LGWCUN

London Gatwick

Sun 8/3

10:50 a.m.-4:50 p.m.

Nonstop11h 00m

Cancun

Tue 17/3

6:40 p.m.-9:00 a.m.

Nonstop9h 20m

C$ 913

LondonCancún

LGW - CUN

LGWCUN

London Gatwick

Wed 29/4

2:00 p.m.-8:18 a.m.

1 stop24h 18m

Cancun

Wed 6/5

9:13 a.m.-10:00 a.m.

1 stop18h 47m

C$ 917

LondonCancún

LGW - CUN

LGWCUN

London Gatwick

Fri 20/2

2:00 p.m.-9:18 a.m.

1 stop24h 18m

Cancun

Mon 23/3

9:13 a.m.-10:00 a.m.

1 stop19h 47m

C$ 922

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 28/1

9:00 a.m.-5:45 p.m.

1 stop13h 45m

Cancun

Wed 4/2

10:30 p.m.-12:50 p.m.

Nonstop9h 20m

C$ 927

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 28/1

2:45 p.m.-8:40 p.m.

Nonstop10h 55m

Cancun

Wed 4/2

10:30 p.m.-12:50 p.m.

Nonstop9h 20m

C$ 942

LondonCancún

LGW - CUN

LGWCUN

London Gatwick

Fri 27/2

2:00 p.m.-9:18 a.m.

1 stop24h 18m

Cancun

Fri 6/3

10:13 a.m.-10:00 a.m.

1 stop18h 47m

C$ 945

LondonCancún

LGW - CUN

LGWCUN

London Gatwick

Tue 10/3

10:50 a.m.-4:50 p.m.

Nonstop11h 00m

Cancun

Mon 23/3

6:40 p.m.-9:00 a.m.

Nonstop9h 20m

C$ 969

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 28/4

9:55 a.m.-11:27 p.m.

2 stops19h 32m

Cancun

Wed 6/5

1:25 p.m.-10:40 a.m.

1 stop15h 15m

C$ 1,004

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 26/2

11:35 a.m.-12:54 p.m.

2 stops30h 19m

Cancun

Thu 5/3

1:37 p.m.-9:40 a.m.

1 stop15h 03m

C$ 1,010

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cancún from

How to get the cheapest flight ticket from London to Cancún

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Cancún?

What is the cheapest month to fly to Cancún?

In general, September is the cheapest month to fly from London to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 956. The month of January is another great option to travel to Cancún, with average flight prices from London averaging around C$ 1,022.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from London to Cancún is on a Monday. Travellers who choose to depart for Cancún on a Monday will often find tickets for as low as C$ 1,020. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 1,461. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

What is the cheapest time of day to depart on your flight to Cancún?

Our data shows that the cheapest London to Cancún flights are usually those with departure times in the morning. Our users have found flights to Cancún in the morning for as low as C$ 1,116. Flights to Cancún are more costly at noon, with an average ticket price of C$ 1,266. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Cancun flight route?

Fly from London Gatwick to Cancun for the best London - Cancun flight prices

How far in advance should I book a flight to Cancún?

You are more likely to see cheaper flights to Cancún from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around C$ 1,201 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from London for as low as C$ 981 on momondo.

What cabin class options are available on London to Cancun flights?

There are 2 cabin classes available to choose from on London to Cancun flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Cancún flights?

No. A direct flight is the cheapest option for a flight between London to Cancún.

How have London to Cancún flight prices changed over time?

As of January 2026, prices for London to Cancún flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from London to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from London to Cancún according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Cancún (LON to CUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Cancún

Fastest flight time

10h 55m

Direct flights

Every day

Airports in Cancún

1 airport
The fastest flight from London to Cancún takes 10h 55m
Direct flights go from London to Cancún every day.
There is 1 airport in Cancún. From London there are direct flights to Cancun (CUN).
Search flight deals

  • How far is London to Cancun by plane?

    The distance between London and Cancun is about 7954.7 km. Flights usually cover this in 10h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to Cancun Airport?

    Prices for flights from London to Cancun Airport are updated daily.

  • How old do you have to be to fly from London to Cancun Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The required travel and health documents for your Cancun Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cancun Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Cancún?

  • What is the most popular airline from London to Cancún?

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Playa del Carmen
Isla Mujeres
Puerto Morelos
Holbox
Akumal
Puerto Aventuras
Valladolid
Punta Sam

Why use momondo?

Why should I use momondo to find a flight deal from London to Cancún?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Cancún. momondo saves you time and could save you money on your trip.

Can I find flights from London to Cancún with flexible booking policies on momondo?

All flight searches from London to Cancún on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Cancún?

momondo provides multiple filters to help you find the best flight to Cancún from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Cancún right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Cancún now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cancún and let you know when they change.

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